Question

how do auxin promote the movement of tendril

Answer 1

auxin is a plant hormone which is the synthesized in the tip of the shoot IT helps the cell go longer when a tendril comes in contact support auxin stimulate faster growth of the cell on the opposite side is why that tendril forms a coil around the support

Answer 2

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THIS IS YOUR PERFECT ANSWER..........

THE MOVEMENT OF TENDRIL IS CAUSED BY THE HORMONE AUXIN . LESS AUXIN OCCURS ON THE SIDE OF CONTACT AS COMPARED TO FREE SIDE. AUXIN PROMOTES THE GROWTH ON THE FREE SIDE .

Hope it helps you..........